list.java

局域网聊天系统的设计与实现

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * list.java
 *
 * Created on 2009-1-20, 22:50:16
 */

package list;

import broadcast.BroadCastWord;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.StringTokenizer;
import javax.swing.DefaultListModel;
import javax.swing.JList;
import lanchat.GUIchat;
import lanchat.Mserver;

/**
 *
 * @author Administrator
 */
public class list extends javax.swing.JFrame {
    DefaultListModel listModel = null;
    private about ab = null;
    private String lg = null;
    private String str = login.str;
    public static String ip =null;
    /** Creates new form list */
    public list() {
        initComponents();
        //JScrollPane scrollPane = new JScrollPane(this);
        listModel= new DefaultListModel();
        this.jList1.setModel(listModel);
        this.setTitle("局域网聊天系统");
        this.setLocation(400, 200);
        this.setVisible(true);
        
        lg = "logou " + str; // 设置登出信息

        //设置鼠标 双击 事件
        MouseListener mouseListener = new MouseAdapter() {
            @Override
               public void mouseClicked(MouseEvent mouseEvent) {
        JList theList = (JList) mouseEvent.getSource();
        if (mouseEvent.getClickCount() == 2) {
          int index = theList.locationToIndex(mouseEvent.getPoint());
          if (index >= 0) {
            Object o = theList.getModel().getElementAt(index);
            //System.out.println("Double-clicked on: " + o.toString());
            str = o.toString();
            ip = str;
            Mserver.m = index;//设置 静态变量m

            newGUI(str,index);//打开 Mserver.guichat[Mserver.m]聊天界面
            System.out.println(str);
            
          }
        }
      }

    };
        jList1.addMouseListener(mouseListener);//添加事件
    }
    public void newGUI(String str,int index){
            
        if(Mserver.guichat[Mserver.m] ==null)
            Mserver.guichat[index] = new GUIchat(str);
            Mserver.guichat[index].setVisible(true);
            //提取IP 字段
        StringTokenizer st=new StringTokenizer(str," ");
        int m = st.countTokens();
        for(int i = 0; i <m ; i++){
                str = st.nextToken();
        }
        Mserver.guichat[Mserver.m].setip(str) ;//设置 Mserver.guichat[Mserver.m] 的ip
    }

    //对比 源IP地址。以原定对应的聊天对话框
    public void comitem(String str){
        //从JList中获得这个集合,转换为默认项集合类型
            listModel= (DefaultListModel) this.jList1.getModel();
            
            Object[] anArray = new Object[255];
            int m = -1;
            listModel.copyInto(anArray);
            
            for(int i=0;i<anArray.length;i++){
                if(anArray[i] != null){
                    StringTokenizer st=new StringTokenizer((String)anArray[i]," ");
                    int t = st.countTokens();
                    String temp = null;
                    for(int j=0; j<t; j++)
                        temp = st.nextToken();
                    if(str.compareTo(temp) == 0){
                        m=i;
                        break;
                    }
                }
            }
            
            Mserver.m =  m;//确定m，就确定了对话框

    }
    public void additem(String str){
        //从JList中获得这个集合,转换为默认项集合类型
        listModel= (DefaultListModel) this.jList1.getModel();
        //追加元素
        listModel.add(listModel.getSize(),str);
        //将这个集合添加到JList中
        this.jList1.setModel(listModel);
    }

    public void removeitem(String str){
            //从JList中获得这个集合,转换为默认项集合类型
            listModel= (DefaultListModel) this.jList1.getModel();
            //删除所选元素在默认项集合中
            Object[] anArray = new Object[255];
            int m = -1;
            listModel.copyInto(anArray);
            if (anArray != null){
                for(int i=0;i<anArray.length;i++){
                    if(str.compareTo((String) anArray[i]) == 0){
                        m=i;
                        break;
                    }
                }
            }
            if (m>=0)
                listModel.remove(m);
            //重新添加到JList中
            this.jList1.setModel(listModel);
    }


    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jPanel1 = new javax.swing.JPanel();
        exit = new javax.swing.JButton();
        about = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        jList1 = new javax.swing.JList();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                closing(evt);
            }
        });

        jPanel1.setBackground(new java.awt.Color(0, 204, 255));
        jPanel1.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));

        exit.setBackground(new java.awt.Color(51, 204, 255));
        exit.setText("退出");
        exit.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        exit.setName("exit"); // NOI18N
        exit.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                exitActionPerformed(evt);
            }
        });

        about.setBackground(new java.awt.Color(51, 204, 255));
        about.setText("关于");
        about.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        about.setName("about"); // NOI18N
        about.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                aboutActionPerformed(evt);
            }
        });

        jList1.setForeground(new java.awt.Color(255, 0, 102));
        jScrollPane1.setViewportView(jList1);

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                        .addComponent(about, javax.swing.GroupLayout.PREFERRED_SIZE, 65, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(exit, javax.swing.GroupLayout.PREFERRED_SIZE, 65, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 245, Short.MAX_VALUE))
                .addContainerGap())
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 415, Short.MAX_VALUE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(about, javax.swing.GroupLayout.DEFAULT_SIZE, 23, Short.MAX_VALUE)
                    .addComponent(exit, javax.swing.GroupLayout.DEFAULT_SIZE, 23, Short.MAX_VALUE))
                .addContainerGap())
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jPanel1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void aboutActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_aboutActionPerformed
        // TODO add your handling code here:
        //关于按钮
        if (ab == null) //防止new两个 关于界面
            ab = new about();
        ab.setVisible(true);

    }//GEN-LAST:event_aboutActionPerformed

    private void exitActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exitActionPerformed
        // TODO add your handling code here:
        //退出 按钮
        new BroadCastWord(lg);//登出前，设置登出信息
        System.exit(0);
    }//GEN-LAST:event_exitActionPerformed

    private void closing(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_closing
        // TODO add your handling code here:
        //Jframe 的窗口关闭按钮
        new BroadCastWord(lg);
        System.exit(0);
    }//GEN-LAST:event_closing
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton about;
    private javax.swing.JButton exit;
    public javax.swing.JList jList1;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JScrollPane jScrollPane1;
    // End of variables declaration//GEN-END:variables

}